Home / 52,262.19-72,121.71-28,388.88

Finding the Fourth Proportional to 52,262.19, 72,121.71 and 28,388.88

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Solution

The fourth proportional to 52,262.19, 72,121.71 and 28,388.88 is: 39,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.19 : 72,121.71 = 28,388.88 : x
  2. Step 2: Convert to fraction form
    52,262.19/72,121.71 = 28,388.88/x
  3. Step 3: Cross multiply
    52,262.19x = 72,121.71 × 28,388.88
  4. Step 4: Simplify right side
    52,262.19x = 2,047,454,570.58
  5. Step 5: Solve for x
    x = 2,047,454,570.58/52,262.19
  6. Step 6: Final answer
    x = 39,176.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.